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Megistocrinus multidecoratus, Placoblastus obovatus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This great combination has a placoblastus measuring 32mm high and 22mm in diameter at it's widest. The crinoid measures 49mm in diameter and 28mm high.
Photo title: Blastoid and Crinoid Pair
Taxa present: Megistocrinus multidecoratus, Placoblastus obovatus
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Placoblastus obovatus, Megistocrinus multidecoratus |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This great combination has a placoblastus measuring 32mm high and 22mm in diameter at it's widest. The crinoid measures 49mm in diameter and 28mm high.
Photo title: Blastoid and Crinoid Pair
Taxa present: Placoblastus obovatus, Megistocrinus multidecoratus
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Placoblastus sp. |
Alpena formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This blastoid theca measures 36mm high x 23mm in diameter.
Photo title: Blastoid
Taxa present: Placoblastus sp.
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Hyperoblastus bassleri |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This blastoid theca measures 22mm high x 9mm wide.
Photo title: Blastoid
Taxa present: Hyperoblastus bassleri
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Hyperoblastus bassleri |
Thunder Bay formation |
Stan Hyne |
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Submitted on 2008-03-13 by Stan Hyne
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Two blastoids are nearly identical in size. Both are 26mm high. The specimen on the right is 1mm wider at 15mm. That specimen also displays a sign of excellent preservation with one of it's top pointed plates still in place.
Photo title: Blastoids
Taxa present: Hyperoblastus bassleri
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Protitanichthys rockportensis |
Silica formation |
Farshid Keshavarz |
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Submitted on 2008-03-15 by Farshid Keshavarz
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: A rather large and thick section of a plate from an armored fish. The shield shows the characteristic 'bumps'.
Photo title: Arthrodire Fish Plate
Taxa present: Protitanichthys rockportensis
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Holonema farrowi |
Alpena formation |
Dennis Bourgeois |
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Submitted on 2008-03-15 by Dennis Bourgeois
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: Dorsal plate from an armored fish. The plate measures 200mm long x 89mm wide.
Photo title: Arthrodire Fish Plate
Taxa present: Holonema farrowi
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Alveolites goldfussi |
Hungry Hollow formation |
Kara Tecco |
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Submitted on 2008-03-15 by Kara Tecco
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: This coral measures 113mm x 75mm
Photo title: Colony Coral
Taxa present: Alveolites goldfussi
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Arthroacantha carpenteri, Platyceras arkonense |
Arkona formation |
Kara Tecco |
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Submitted on 2008-03-15 by Kara Tecco
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This snail was found with the crinoid calyx.
Photo title: Crinoid -Gastropod Association
Taxa present: Arthroacantha carpenteri, Platyceras arkonense
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Eridophyllum subcaespitosum |
Hungry Hollow formation |
Kara Tecco |
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Submitted on 2008-03-15 by Kara Tecco
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: Four specimens, the largest measuring 46mm x 18mm.
Photo title: Rugose Coral
Taxa present: Eridophyllum subcaespitosum
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Hederella thedfordensis, Mucrospirifer arkonensis |
Arkona formation |
Kara Tecco |
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Submitted on 2008-03-15 by Kara Tecco
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This bryozoan completely encrusts a broken brachiopod.
Photo title: Bryozoan Encrusting a Brachiopod
Taxa present: Hederella thedfordensis, Mucrospirifer arkonensis
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Spirorbis sp., Platyaxum frondosum |
Hungry Hollow formation |
Kara Tecco |
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Submitted on 2008-03-15 by Kara Tecco
Location (approximate): Arkona, Lambton, ON
Strat unit: Hungry Hollow formation
Submitter notes: A single small worm tube attached to a colony coral.
Photo title: Annelid attached to a Coral
Taxa present: Spirorbis sp., Platyaxum frondosum
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Turbinopsis anacarina Type Specimen |
Four Mile Dam formation |
ummp invertebrate paleontology |
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Submitted on 2008-03-15 by ummp invertebrate paleontology
Location (approximate): Alpena, Alpena, MI
Strat unit: Four Mile Dam formation
Submitter notes: This specimen is the holotype for the species. It is 3.5 cm across.
Photo title: Gastropod
Taxa present: Turbinopsis anacarina
UMMP specimen number: holotype 47381
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Leiopteria ausablensis Type Specimen |
Arkona formation |
ummp invertebrate paleontology |
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Submitted on 2008-03-15 by ummp invertebrate paleontology
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This specimen is the holotype for the species. It is 2.5cm tall.
Photo title: Pelecypod
Taxa present: Leiopteria ausablensis
UMMP specimen number: holotype 38114
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Leiopteria ausablensis Type Specimen |
Arkona formation |
ummp invertebrate paleontology |
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Submitted on 2008-03-15 by ummp invertebrate paleontology
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: This specimen is a paratype and is 3 cm tall.
Photo title: Pelecypod
Taxa present: Leiopteria ausablensis
UMMP specimen number: paratype 38115
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Aulopora sp. Type Specimen |
Petoskey formation |
ummp invertebrate paleontology |
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Submitted on 2008-03-21 by ummp invertebrate paleontology
Location (approximate): Petoskey, Emmet, MI
Strat unit: Petoskey formation
Submitter notes: This specimen is a hypotype and is 9 cm across the prepared section.
Photo title: Coral
Taxa present: Aulopora sp.
UMMP specimen number: hypotype 60895
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Aulopora conferta Type Specimen |
Bell formation |
ummp invertebrate paleontology |
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Submitted on 2008-03-21 by ummp invertebrate paleontology
Location (approximate): , Presque Isle, MI
Strat unit: Bell formation
Submitter notes: This specimen is a hypotype. The coral is encrusting another coral. The total width is 5.5 cm.
Photo title: Coral
Taxa present: Aulopora conferta
UMMP specimen number: hypotype 35012
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Aulopora microbuccinata Type Specimen |
Silica formation |
ummp invertebrate paleontology |
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Submitted on 2008-03-21 by ummp invertebrate paleontology
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: This coral is encrusting a brachiopod. The brachiopod specimen is 5.5 cm across. This specimen is a hypotype.
Photo title: Coral
Taxa present: Aulopora microbuccinata
UMMP specimen number: hypotype 53793
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Emmonsia alpenensis Type Specimen |
Alpena formation |
ummp invertebrate paleontology |
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Submitted on 2008-03-22 by ummp invertebrate paleontology
Location (approximate): Alpena, Alpena, MI
Strat unit: Alpena formation
Submitter notes: This specimen is 7.5 cm across. It is a paratype.
Photo title: Coral
Taxa present: Emmonsia alpenensis
UMMP specimen number: paratype 37954
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Favosites alpenensis hamiltonensis |
Traverse formation |
ummp invertebrate paleontology |
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Submitted on 2008-03-22 by ummp invertebrate paleontology
Location (approximate): Alpena, Alpena, MI
Strat unit: Traverse formation
Submitter notes: This specimen is 12 cm across.
Photo title: Coral
Taxa present: Favosites alpenensis hamiltonensis
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